Compilare: user.cpp: In function ‘void brute(int)’: user.cpp:137:9: warning: unused variable ‘st’ [-Wunused-variable] int st = 1, dr = 0, ind = 0; ^ user.cpp:137:17: warning: unused variable ‘dr’ [-Wunused-variable] int st = 1, dr = 0, ind = 0; ^ user.cpp: In function ‘int main()’: user.cpp:165:21: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] FIN("temple.in"); ^ user.cpp:166:23: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] FOUT("temple.out"); ^